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A Digital Image Watermarking Method Based on Labeled Bisecting Clustering Algorithm
Shu-Chuan CHU John F. RODDICK Zhe-Ming LU Jeng-Shyang PAN
IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2004/01/01
Print ISSN: 0916-8508
Type of Manuscript: LETTER
Category: Information Security
digital watermarking, labeled bisecting clustering, vector quantization,
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This paper presents a novel digital image watermarking algorithm based on the labeled bisecting clustering technique. Each cluster is labeled either '0' or '1' based on the labeling key. Each input image block is then assigned to the nearest codeword or cluster centre whose label is equal to the watermark bit. The watermark extraction can be performed blindly. The proposed method is robust to JPEG compression and some spatial-domain processing operations. Simulation results demonstrate the effectiveness of the proposed algorithm.